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Select Lessons (39)
Dynamics: Newton’s Laws of Motion
ELECTRICITY: Current
ELECTRICITY: Current
ELECTRICITY: Resistance
Elasticity
Electric fields
Electromagnetism
Electromagnetism
Energy: Application And Uses
Experimental physics
Forces
Gravitational fields
Heat
Kinematics in Two Dimensions: Vectors, projectiles
Kinematics in one dimension
Linear Momentum
MOTION
MOTION
MOTION
MOTION
MOTION
MOTION: Circular
MOTION: Collision
MOTION: Inclined plane
MOTION: Simple harmonic motion (SHM)
Magnetism
Optics
PLASTICS
PRESSURE
Radioactivity
TEMPERATURE
The Laws of Thermodynamics
Units System
Units System
Units, dimensions and homogeneity
WAVES: Electromagnetic
WAVES: Electromagnetic
WAVES: Sound
5/31 MCQs for:
Kinematics in one dimension
Ball A is dropped from the top of a building. One second later, ball B is dropped from the same building. As time progresses, the difference in their speeds
Increases.
Decreases.
Remains constant.
Cannot be determined from the information given.
Suppose a ball is thrown downward in the absence of air resistance. Make a statement concerning its acceleration.
Its acceleration is constantly decreasing.
Its acceleration is zero.
Its acceleration is constant.
Its acceleration is constantly increasing.
Suppose that a car traveling to the East (+x direction) begins to slow down as it approaches a traffic light. Make a statement concerning its acceleration.
The acceleration is zero.
The car is decelerating, and its acceleration is positive.
The car is decelerating, and its acceleration is negative.
A statement cannot be made using the information given.
When an object is released from rest and falls in the absence of friction, which of the following is true concerning its motion?
Its acceleration is constant.
Both its acceleration and its velocity are constant.
Its velocity is constant.
Neither its acceleration nor its velocity is constant.
Suppose that an object is moving with constant acceleration. Make a statement concerning its motion with respect to time.
A statement cannot be made using the information given.
In equal times its velocity changes by equal amounts.
In equal times it moves equal distances.
In equal times its speed increases by equal amounts.
